Screw on electrical connector



FIG. 1 is a side elevational view of a screw on electrical connector showing my new design, the opposite side being an inverted mirror image of that shown;

FIG. 2 is a top plan view thereof, the bottom being a mirror image of that shown;

FIG. 3 is a front end elevational view thereof; and

FIG. 4 is a rear end elevational view thereof. 

The ornamental design for a screw on electrical connector, as shown and described. 